Flow guide type wide channel welding plate heat exchanger
By introducing a flow guiding device into the flow-guiding wide-channel welded plate heat exchanger, and designing it as a smooth transition structure, the problem of medium erosion at the material-side inlet is solved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202520629548.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-07
AI Technical Summary
The flow-guided wide-channel welded plate heat exchanger suffers from severe medium erosion at the material-side inlet, leading to unstable operation of the equipment under harsh erosion conditions.
The device employs a flow guiding mechanism, including a flow guide plate, a first flange, a housing, and a material-side inlet. It is designed with a smooth transition structure, which expands the flow rate of the medium through the connector and flange. The medium smoothly changes direction within the housing, reducing the impact on the core inlet.
It improves the erosion condition of the core end plate by the medium and extends the service life of the equipment.
Smart Images

Figure CN223925512U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchange equipment technical field, concretely is diversion type wide channel welded plate heat exchanger. BACKGROUND
[0002] The diversion type wide channel welded plate heat exchanger is a kind of high-efficiency energy-saving heat exchange equipment, it has the characteristics such as high heat transfer efficiency, compact structure.In recent years, with the application of equipment for many years, the application of diversion type wide channel welded plate heat exchanger is increasingly valued by people, and has made considerable progress.But, due to the reason of own structure, the inlet of equipment material side is seriously eroded by medium, and the existing structure needs to be optimized to solve this problem, so that the equipment can normally operate under the erosion harsh conditions. UTILITY MODEL CONTENTS
[0003] The utility model discloses diversion type wide channel welded plate heat exchanger to solve the problem in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: diversion type wide channel welded plate heat exchanger, the heat exchanger includes equipment main body, water side inlet, water side outlet, material side outlet and flow guide device, the water side inlet is located at the front side top end of the equipment main body, the water side outlet is located at the front side bottom end of the equipment main body, the material side outlet is located at the left side top end of the equipment main body, the flow guide device is located at the left side bottom end of the equipment main body;
[0005] The flow guide device includes flow guide plate, first flange, box and material side inlet;
[0006] One side of the flow guide plate is located at the left side bottom end of the equipment main body, the other side of the flow guide plate is connected with one side of first flange, the other side of the first flange is equipped with one side of box, and the other side of the box is equipped with material side inlet.
[0007] Preferably, the water side inlet and water side outlet are symmetrically arranged at one end of the front side of the equipment main body.
[0008] Preferably, the material side outlet and flow guide device are symmetrically arranged at the left side of the equipment main body.
[0009] Preferably, the material side inlet includes connecting head and second flange.
[0010] The connecting head is located at the end face of the box and is fixedly connected with the box, and the end face of the connecting head is equipped with second flange.
[0011] Preferably, the first flange is method flange.
[0012] Preferably, the second flange is pipe flange
[0013] Preferably, the box is an "S" type box.
[0014] Preferably, the connecting head is a structure of a sphere, a circle and a plane.
[0015] Preferably, the cross section of the flow guide plate is an isosceles trapezoid.
[0016] Compared with the prior art, the beneficial effects of the utility model are that: the flow guide type wide channel welding plate type heat exchanger flow guide device adopts a smooth transition box structure, can improve the erosion state of the medium to the core end plate, thereby improving the operation environment of the equipment and prolonging the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 is the front view of the utility model;
[0018] Fig. 2 is the left view partial sectional view of the utility model;
[0019] Fig. 3 is the flow guide device structure schematic view of the utility model.
[0020] In the drawing: 1, equipment main body, 2, water side inlet, 3, water side outlet, 4, material side outlet, 5, flow guide plate, 6, first flange, 7, box, 8, connecting head, 9, second flange, 10, material side inlet. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.
[0022] Please refer to Figs. 1-3The utility model provides technical scheme: flow guide type wide channel welding plate heat exchanger, and the heat exchanger includes equipment main body 1, water side entrance 2, water side export 3, material side export 4 and flow guide device, water side entrance 2 is located equipment main body 1's front side top end, and water side export 3 is located equipment main body 1's front side bottom end, and water side medium goes pipe process, and water enters by water side entrance 2, and the heat exchange surface of core body is completed with material side after cold and hot exchange, and by water side export 3, water side entrance 2 and water side export 3 are symmetrically arranged on the front side one end of equipment main body 1, and material side export 4 is located equipment main body 1's left side top end, and flow guide device is located equipment main body 1's left side bottom end, and material side medium goes plate process, and by flow guide device's material side entrance 10, after circulating in the inside of core body, finally by material side export 4, material side export 4 and flow guide device are symmetrically arranged on the left side of equipment main body 1;
[0023] Flow guide device includes flow guide plate 5, first flange 6, box 7 and material side entrance 10;
[0024] One side of flow guide plate 5 is located equipment main body 1's left side bottom end, and the cross section of flow guide plate 5 is isosceles trapezoid, and the other side of flow guide plate 5 is connected with one side of first flange 6, and the other side of first flange 6 is equipped with one side of box 7, and box 7 is " S " type box, and the other side of box 7 is equipped with material side entrance 10, and flow guide device is composed of first flange 6, connecting head 8, box 7, second flange 9 and flow guide plate 5.
[0025] As preferred scheme, material side entrance 10 further includes connecting head 8 and second flange 9;
[0026] Connecting head 8 is located the end face of box 7, and is fixedly connected with box 7, and connecting head 8 is the structure of round heaven and square earth, and the end face of connecting head 8 is equipped with second flange 9, and second flange 9 is pipe flange, and material first flows into equipment by second flange 9 of flow guide device, and the material passage is expanded by connecting head 8 structure, and the medium flow rate is initially reduced, and then flows into box 7, and the medium is smoothly diverted, and then flows into core body by flow guide plate 5, and the effect of buffer flow guide is completed. Reduce the impact of medium on the inlet of core body, prolong the service life.
[0027] Its detailed connecting means is the technology known in the art, and the following mainly introduces working principle and process, and the specific work is as follows.
[0028] Working principle: the material side medium walks the board process, enters through the material side inlet 10 of the flow guide device, circulates in the core body, and finally flows out from the material side outlet 4. The water side medium walks the pipe process, the water enters from the water side inlet 2, completes the cold and hot exchange with the material side through the heat exchange surface of the core body, and then flows out from the water side outlet 3. The flow guide device is composed of a first flange 6, a connecting head 8, a box body 7, a second flange 9 and a flow guide plate 5. The material first flows into the equipment from the second flange 9 of the flow guide device, the material channel is expanded through the structure of the connecting head 8, the flow rate of the medium is preliminarily reduced, then flows into the box body 7, the medium is smoothly diverted, then flows into the core body through the flow guide plate 5, and the buffering and flow guiding effects are completed. The impact of the medium on the inlet of the core body is reduced, and the service life is prolonged.
[0029] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0030] In addition, the terms "first", "second", "third", "fourth" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.
[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A flow-guided wide-channel welded plate heat exchanger, characterized in that: The heat exchanger comprises a device body (1), a water side inlet (2), a water side outlet (3), a material side outlet (4) and a flow guide device, the water side inlet (2) is located at the top end of the front side of the device body (1), the water side outlet (3) is located at the bottom end of the front side of the device body (1), the material side outlet (4) is located at the top end of the left side of the device body (1), and the flow guide device is located at the bottom end of the left side of the device body (1). The flow guide device comprises a flow guide plate (5), a first flange (6), a box body (7) and a material side inlet (10). One side of the flow guide plate (5) is located at the bottom end of the left side of the device body (1), the other side of the flow guide plate (5) is connected with one side of the first flange (6), the other side of the first flange (6) is provided with one side of the box body (7), and the other side of the box body (7) is provided with the material side inlet (10).
2. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The water side inlet (2) and the water side outlet (3) are symmetrically arranged at one end of the front side of the device body (1).
3. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The material side outlet (4) and the flow guide device are symmetrically arranged on the left side of the device body (1).
4. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The material side inlet (10) comprises a connecting head (8) and a second flange (9). The connecting head (8) is located at the end face of the box body (7) and is fixedly connected with the box body (7), and the end face of the connecting head (8) is provided with the second flange (9).
5. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The first flange (6) is a method flange.
6. The guide type wide channel welded plate heat exchanger according to claim 4, characterized in that: The second flange (9) is a pipe flange.
7. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The box body (7) is an "S" type box body.
8. The guide type wide channel welded plate heat exchanger according to claim 4, characterized in that: The connecting head (8) is a structure of a round top and a square bottom.
9. The guide type wide channel welded plate heat exchanger according to claim 1, characterized in that: The cross section of the flow guide plate (5) is an isosceles trapezoid.